The Grey Friars in Oxford

by A. G. Little

MS. Brit. Mus.: Sloane 513, f. 181^b-188^b (sec. xv): ‘Explicit semita recta alkemie secundum Magistrum Rogerum Bakun.’

Cf. MS. Sloane 276, f. 21, an anonymous work on the same subject, differing somewhat from the above.

Bodl.: Ashmole 1485, pp. 173-188 (sec. xvi), ‘Liber aquarum.’

Thesaurus spirituum, four treatises on the influence of planets, &c. Inc. ‘Hec est doctrina omnium experimentorum.’

MS. Brit. Museum: Sloane 3853, f. 3-40 (sec. xv). ‘Hec est tabula libri sequentis ... a quodam viro venerabili ordinis Minorum fratre summa composita et ordinata, et a diligencia M. Rogero Bakon ordinis Minorum nuper recognita, qui quidem liber pro omnibus hujus mundi experimentis sufficit,’ &c.

‘Explicit liber qui secundum Robertum Turconem et Rogerum Bakon fratrem Minorum Thesaurus spirituum nuncupatur.’

Cf. MS. Sloane 3850, f. 129^b, De nigromantia, extracted from the above.

De fistula.

MS. Sloane 238, f. 214^b-216^b (sec. xv). ‘Secundum Rogerum Bacon ut habetur in libro qui dicitur Thesaurus pauperum[1361].’